Xi'an Huayao Pharm-Chem Institute--N-Hydroxymethylnicotinamide,Diludine,Ramifenazone,Ramifenazone Hydrochloride

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Erdosteine

Product name: Erdosteine
Chemical name:[[2-Oxo-2-[(tetrahydro-2-oxo-3-thienyl)amino]ethyl]thio]acetic acid
Formula: C₈H₁₁NO₄S₂
Structure:

CAS No.: 84611-23-4
Quality standard: SFDA of China

ITEMS	SPECIFICATIONS
Appearance	White or almost white crystalline powder
Melting point	156-160 ¡æ
PH	2.5-3.5
Chlorides	≤0.025%
Sulfates	≤0.1%
Related substances	≤1.0%
Heavy metals	≤20ppm
Loss on drying	≤0.5%
Sulfated ash	≤0.3%
Assay	98.5-101.0%

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